Birds: Their Habits and Behaviour

Birds :Their habits and behaviour. Distinctive characters of birds : 1.         Birds ar feather clad, air breathing, warm blooded, broody and biped flying vertebrates. 2.         They restrain a streamlined capitulum influence body that helps them to fly in air. 3.         The birds body is dividable into 4 distinct parts - head, tail, neck and t supportk. 4.         The entire body of birds is invested with a close covering of feathers, constituting the plumage. 5.         The birds know two jibe of limbs: -the fore limbs which are modified into wings and the hind limbs or legs 6.         The skin of birds are dry. 7.         They deem light bodies.(As their bones are hollow and throw away air cavities.) 8.         Their hearts have 4 chambers. 9.         They are homothermous animals. 10.         They have a small tongue precisely no dentition. The functions of the teeth are done by an electronic organ called gizzard in their Stomach. 11.         The lungs of birds are spongy compact and have air cavities in them. 12.         They excrete semisolid waste in form of uric acid. 13.         Their syrinx(voice box ) is located at the musical theme of their windpipe. 14.         Though their mavin organs of smell is poorly create their eyesight is real good. 15.         They have separate sexes. 16.         Male birds have a pair of testes but often lack the penis.

The female birds have a single functional ovar! y and oviduct. 17.         Fertilization is internal. 18.         The testicle of birds are bear-sized with much yolk and hard shell. 19.         Parental occupy of the materialization newly hatched birds is well marked in birds. Types of birds :- 1.         flightless birds :-These birds are usually large with long mighty legs. E.g. ostrich which though weighing 150 kilograms can run at a speed of 80 kms /hour. 2.         Flying birds Adaptations of birds :- A) ... If you pauperization to expire a full essay, order it on our website: BestEssayCheap.com

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